The diameter (d) of a circle is 35 cm, the radius (r) = ___
25cm
19.5 cm
12.5 cm
17.5 cm
Given diameter (d) = 35 cm
radius (r) =diameter2
=352
=17.5 cm
What is the circumference of a circle with radius r and diameter d?
If diameter of a circle is 25 cm, then the measure of its radius = ___ cm.